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Nuclear-based countermeasure network photovoltaic off-grid inverter circulation suppression system

A circulation suppression and inverter technology, applied in photovoltaic power generation, AC network circuits, single-network parallel feeding arrangements, etc., can solve problems such as unsatisfactory requirements and difficult to achieve dynamic adaptation, so as to reduce grid pollution and interleave Effects of Parallel Circulation Suppression and Efficiency Improvement

Active Publication Date: 2021-06-25
恩沃新能源科技(上海)有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

This technology has topology, simple control, and mature control scheme. However, due to the limitation of the device itself, it is often difficult to achieve dynamic adaptation, and it cannot meet the requirements in occasions with high requirements for circulation suppression.

Method used

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  • Nuclear-based countermeasure network photovoltaic off-grid inverter circulation suppression system
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  • Nuclear-based countermeasure network photovoltaic off-grid inverter circulation suppression system

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Embodiment Construction

[0023] In order to make the objectives, technical solutions and advantages of the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely intended to illustrate the invention and are not intended to limit the invention.

[0024] The nuclear base counterfeit network photovoltaic network inverter circulating network of the present invention includes a circulation data acquisition system for acquiring a circulation between the various inverters, and then send it to the controller. Modeling and control in the controller, and finally driving the power electronics in the implementation system of the present invention to suppress the circulation. Its basic structure figure 1 Indicated. Control flow and control structure figure 2 Indicated.

[0025] The data collected by the circulation data acquisition system includes the v...

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Abstract

The present invention relates to a circulation suppression system for photovoltaic off-grid inverters, in particular to a data-driven and nuclear-based countermeasure network control method based on a circulation suppression system for interleaved parallel inverters, which belongs to power electronics technology, big data The interdisciplinary technical field of technology and control theory, specifically the nuclear-based countermeasure network photovoltaic off-grid inverter circulation suppression system, including data acquisition system, controller system, and execution system; The algorithm in the controller system performs data analysis and processing according to the collected data, builds a nuclear-based confrontation network for data analysis, modeling and control, and finally forms a control command signal; in the execution system, the circulation is suppressed according to the control command signal. The invention can effectively suppress the staggered parallel circulation of photovoltaic off-grid inverters, and at the same time improve the efficiency of the photovoltaic system to a certain extent and reduce the pollution of the power grid.

Description

Technical field [0001] The present invention relates to a circular suppression system of a photovoltaic network inverter, and more particularly to a circular suppression system based on data driving and nuclear base against network control methods, a circulating inhibition system for interlaced parallel inverters, belonging to power electronics, large data. The cross-technical field of technology and control theory, specifically nuclear base counterfeit network photovoltaic network inverter circulation suppression system. Background technique [0002] A plurality of inverters are typically used in the photovoltaic off-line inverter, used to increase their output power. However, since the power devices itself exists, it is difficult to obtain a synchronous output voltage in the inverter, and therefore, there is a circulation of the inverter and in the inverter. Existing circulation techniques are typically carried out by filters and clamp techniques. This technology has a topology...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38
CPCH02J3/383H02J2203/20Y02E10/56
Inventor 姚舜才任一峰陈昌鑫赵俊梅张文华
Owner 恩沃新能源科技(上海)有限公司
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